C8 Flashcards
1
Q
a pure substance is
A
a substance that has a single element or compound not mixed with any other substance
2
Q
does a pure substance have a specific melting point and boiling point temperatures
A
yes
3
Q
a formulation is a
A
mixture that has been designed as a useful product
4
Q
test for hydrogen is
A
uses a burning splint at the end of a gas tube if you hear a pop sound hydrogen is present
5
Q
test for oxygen
A
using a glowing splint inserted into a tube of gas. if splint relights oxygen is present
6
Q
test for carbon dioxide
A
used calcium hydroixde in liquid when co2 is present it will turn milky white
7
Q
test for chlorine
A
uses damp litmus paper when chlorine gas is present it gets bleached and turned white
